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About CTNT

A professional and authoritative third-party testing institution with absolute strength in testing technology and in-depth research and analysis of market access and testing and certification
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Leveraging our core and differentiated strengths, we provide you with high-quality, comprehensive technology services

Optical Product Testing Laser Performance Parameter Testing Energy consumption detection
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we provide you with high-quality, comprehensive technology services

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Why Choose Us

We provide professional optical product testing services (laser product safety testing and performance parameter testing, photobiological safety testing for non‑laser products), as well as energy efficiency testing services (EU ErP energy efficiency testing, US DOE energy efficiency testing, California CEC energy efficiency testing), among others.

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If you have requirements for laser products (laser product safety testing and laser performance parameter testing) and energy efficiency testing (EU ErP energy efficiency testing, US DOE energy efficiency, California CEC energy efficiency, UK energy efficiency testing), please feel free to email us at: admin@ctnt-cert.com

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